Most chemical reactions involve the breaking and formation of chemical bonds. It takes energy to break a chemical bond but energy is released when chemical bonds are formed. If more energy is released than consumed, then the chemical reaction evolves heat and is said to be exothermic.
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The answer is D. The rice cooker / pot.
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Ethers can't form hydrogen bonds with water and so have a low solubility
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I think thier speed may differ relatively due the movement of wind on each sides. itz very obvious that they change even the time of the day may count
Answer:
2 electrons from magnesium (Mg) is transferred to oxygen (O2) to form Mg2+ and O2-
which combines by strong electrostatic force to form MgO
the equation is
2Mg + O2 -> 2MgO
